2-(chloromethyl)-5-methylpyrazine

Also known as: 2-chloromethyl-5-methylpyrazine, 2-methyl-5-chlormethylpyrazin, 2-methyl-5-pyrazinylmethyl chloride, Pyrazine, 2-(chloromethyl)-5-methyl-

2-(chloromethyl)-5-methylpyrazine (CAS 81831-68-7) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H7ClN2 and a molecular weight of 142.58900 g/mol. Key properties include a boiling point of 212.8ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 102.535ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 81831-68-7
Jingsj CID: J-998720-6
Molecular Formula: C₆H₇ClN₂
Molecular Weight: 142.58900 g/mol
Category: Organohalogen Compounds
Last updated: 11/2/2026

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Physicochemical Properties

Boiling Point	212.8ºC at 760 mmHg
Density	1.19g/cm3
Flash Point	102.535ºC
Exact Mass	178.006454
PSA	25.78000
LogP	1.52380
Refractive Index	1.53

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(chloromethyl)-5-methylpyrazine?

The CAS number of 2-(chloromethyl)-5-methylpyrazine is 81831-68-7.

What are the molecular formula and molecular weight of 2-(chloromethyl)-5-methylpyrazine?

2-(chloromethyl)-5-methylpyrazine has molecular formula C6H7ClN2 and molecular weight 142.58900 g/mol.

What are the upstream and downstream products of 2-(chloromethyl)-5-methylpyrazine?

For 2-(chloromethyl)-5-methylpyrazine, Upstream Products: 2,5-Dimethylpyrazine; Downstream Products: 5-Methylpyrazine-2-carboxylic acid, (5-Methylpyrazin-2-yl)methanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/2/2026

How to cite: Jingsj. "2-(chloromethyl)-5-methylpyrazine (CAS 81831-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-998720-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.